ARM: bcm2835: add dmaengine driver to device tree

This adds the definitions for the BCM2835 dmaengine driver
to the device tree. The dma-channel-mask is currently
fixed. Later it should be set via the firmware.

Signed-off-by: Florian Meier <florian.meier@koalo.de>
[swarren, fixed DT node sort order]
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>

diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index beb8659813b28d90c257f55c2c931ab9dd1ce14e..b17694066140ee5324cb08a8055bfd3313118117 100644 (file)
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -22,6 +22,27 @@ timer {
                        clock-frequency = <1000000>;
                };
 
+               dma: dma@7e007000 {
+                       compatible = "brcm,bcm2835-dma";
+                       reg = <0x7e007000 0xf00>;
+                       interrupts = <1 16>,
+                                    <1 17>,
+                                    <1 18>,
+                                    <1 19>,
+                                    <1 20>,
+                                    <1 21>,
+                                    <1 22>,
+                                    <1 23>,
+                                    <1 24>,
+                                    <1 25>,
+                                    <1 26>,
+                                    <1 27>,
+                                    <1 28>;
+
+                       #dma-cells = <1>;
+                       brcm,dma-channel-mask = <0x7f35>;
+               };
+
                intc: interrupt-controller {
                        compatible = "brcm,bcm2835-armctrl-ic";
                        reg = <0x7e00b200 0x200>;